Answers

Add 3/90 and 35/81

3/90 + 35/81 is 377/810.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 90 × 9 = 810,
   3/90 = 3 × 9/90 × 9 = 27/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   35/81 = 35 × 10/81 × 10 = 350/810
4. Add the two like fractions:
   27/810 + 350/810 = 27 + 350/810 = 377/810
5. So, 3/90 + 35/81 = 377/810

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